linux-kernel - Re: [PATCH v2] cpufreq: cpu0: drop selecting of THERMAL and THERMAL

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAKohpok+68RsWk6TN3E-h2cUBgYNCpEgj0WS1pdfnP+SzKALQQ@mail.gmail.com>
Date:	Wed, 12 Feb 2014 10:11:19 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Rob Herring <robherring2@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Olof Johansson <olof@...om.net>, Rob Herring <robh@...nel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>
Subject: Re: [PATCH v2] cpufreq: cpu0: drop selecting of THERMAL and THERMAL_CPU

On 12 February 2014 00:03, Rob Herring <robherring2@...il.com> wrote:
> From: Rob Herring <robh@...nel.org>
>
> The addition of THERMAL and THERMAL_CPU selections causes a kconfig
> warning on highbank platforms:
>
> warning: (ARM_HIGHBANK_CPUFREQ) selects GENERIC_CPUFREQ_CPU0 which has
> unmet direct dependencies (ARCH_HAS_CPUFREQ && CPU_FREQ && HAVE_CLK &&
>  REGULATOR && OF && THERMAL && CPU_THERMAL)
>
> The cpufreq-cpu0 driver does not require thermal zone support to
> function as highbank does not need these, so drop selecting of THERMAL
> and CPU_THERMAL.
>
> Reported-by: Olof Johansson <olof@...om.net>
> Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>
> Cc: Viresh Kumar <viresh.kumar@...aro.org>
> Cc: cpufreq@...r.kernel.org
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> v2:
> - just drop selecting THERMAL and THERMAL_CPU instead of a new kconfig
>   option
>
> Dropping REGULATOR doesn't build w/o some empty regulator functions, so
> that's 3.15 material.
>
> Rob
>
>  drivers/cpufreq/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
> index 4b029c0..d100926 100644
> --- a/drivers/cpufreq/Kconfig
> +++ b/drivers/cpufreq/Kconfig
> @@ -185,7 +185,7 @@ config CPU_FREQ_GOV_CONSERVATIVE
>
>  config GENERIC_CPUFREQ_CPU0
>         tristate "Generic CPU0 cpufreq driver"
> -       depends on HAVE_CLK && REGULATOR && OF && THERMAL && CPU_THERMAL
> +       depends on HAVE_CLK && REGULATOR && OF
>         select PM_OPP
>         help
>           This adds a generic cpufreq driver for CPU0 frequency management.

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/